How to replace the heater core in a Delphi system on Cadillac Escalade?

The Delphi heater core replacement process should begin with HVAC module assembly extraction. First detach the screws that hold the heater core cover before removing the cover away from the HVAC module assembly. You should detach the heater core cowl gasket from the heater core and then extract the heater core from the HVAC module assembly. The procedure starts with heater core placement into the HVAC module assembly before applying the heater core cowl gasket to the heater core. Fasten the heater core cover to the HVAC module assembly while using the screws that require a torque of 2 Nm (18 lb in). Install the HVAC module assembly as the last step of the replacement.

OEM Cadillac Escalade Heater Core

HVAC Heater Core

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9 Heater Cores found

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Cadillac Escalade Heater Core Part Number: 89019173
$113.56 MSRP: $205.54
You Save: $91.98 (45%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Core, Heater; HVAC Heater Core; Core, Heater Core
- Replaces: 52467018
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2000 Cadillac Escalade | Base | 8 Cyl 5.7 L GAS
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Cadillac Escalade Heater Core Part Number: 89018297
$158.42 MSRP: $325.56
You Save: $167.14 (52%)
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Product Specifications
- Other Name: Core, Heater Core; HVAC Heater Core
- Replaces: 52473326, 52473322
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2014 Cadillac Escalade | Base, Hybrid, Hybrid Platinum, Luxury, Platinum, Premium | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.0 L GAS, 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Cadillac Escalade Heater Core Part Number: 84406079
$84.82 MSRP: $174.30
You Save: $89.48 (52%)
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Product Specifications
- Other Name: Core Kit-Heater; HVAC Heater Core; Core, Heater Core
- Replaces: 15232212
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2020 Cadillac Escalade | Base, Hybrid, Hybrid Platinum, Luxury, Platinum, Premium, Premium Luxury | 8 Cyl 6.0 L FULL HYBRID EV-FLEX (FHEV), 8 Cyl 6.0 L FULL HYBRID EV-GAS (FHEV), 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Cadillac Escalade Heater Core Part Number: 85108010
$35.78 MSRP: $110.34
You Save: $74.56 (68%)
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Product Specifications
- Other Name: Heater Assembly-.; Heater, Auxiliary Heater
- Replaced by: 87846949
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2023 Cadillac Escalade | Luxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum, V | 6 Cyl 3.0 L DIESEL, 8 Cyl 6.2 L GAS
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Cadillac Escalade Heater Core Part Number: 84689022
$47.63 MSRP: $89.44
You Save: $41.81 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Core Assembly-Auxiliary Heater; Core, Heater Core
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2021-2023 Cadillac Escalade | Luxury, Premium Luxury, Premium Luxury Platinum, Sport, Sport Platinum, V | 6 Cyl 3.0 L DIESEL, 8 Cyl 6.2 L GAS
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Cadillac Escalade Blower Motor Part Number: 84418887
$138.88 MSRP: $285.38
You Save: $146.50 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Heater Assembly-.; Heater Core; Heater, Auxiliary Heater; Heater, Heater Core
- Replaces: 22808761, 23281453
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2020 Cadillac Escalade | Base, Luxury, Platinum, Premium, Premium Luxury | 8 Cyl 6.2 L FLEX, 8 Cyl 6.2 L GAS
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Cadillac Escalade Heater Core Part Number: 19258989
$154.99 MSRP: $278.00
You Save: $123.01 (45%)
Product Specifications
- Other Name: Core, Heater Core
- Replaces: 88986627
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2006 Cadillac Escalade | Base | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Cadillac Escalade Heater Core Part Number: 89024919
Product Specifications
- Other Name: Core Assembly, Auxiliary Heater; Core, Heater Core
- Replaces: 12477714
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2006 Cadillac Escalade | Base | 8 Cyl 5.3 L GAS, 8 Cyl 6.0 L GAS
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Cadillac Escalade Heater Core Part Number: 52467017
Product Specifications
- Other Name: Core, Heater; Core, Heater Core
- Replaces: 52461009
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1999-2000 Cadillac Escalade | Base | 8 Cyl 5.7 L GAS

Cadillac Escalade Heater Core

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The Heater Core in Cadillac Escalade vehicles has the utility of heating the cabin making use of the beyond the engine burning heat. Looking somewhat like a miniature radiator, the core is cooled by a water and antifreeze solution; hot coolant drawn from the engine is circulated through it to heat the passenger compartment. Various types of heater cores can be used in cars and some of the features that may include are the use of valves or doors for temperature control complex systems may include electromagnetic actuators for the temperature control. In A/C vehicles the heater core also helps in dehumidification since cooled air from the evaporator is reheated by the heater core. The typical heater core problems include clogging, leakage, and corrosion, and often, the parts are very difficult to fix since the disassembly is usually profound.

Cadillac Escalade Heater Core Parts and Q&A

Heater Core
89018297
Q: How to replace the heater core in a Delphi system on Cadillac Escalade?
A:
The Delphi heater core replacement process should begin with HVAC module assembly extraction. First detach the screws that hold the heater core cover before removing the cover away from the HVAC module assembly. You should detach the heater core cowl gasket from the heater core and then extract the heater core from the HVAC module assembly. The procedure starts with heater core placement into the HVAC module assembly before applying the heater core cowl gasket to the heater core. Fasten the heater core cover to the HVAC module assembly while using the screws that require a torque of 2 Nm (18 lb in). Install the HVAC module assembly as the last step of the replacement.